![Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces](https://cdn-haebf.nitrocdn.com/epOHlxNuQweFHMEroKfVXpRZksyHrwaG/assets/images/optimized/rev-545de00/chronotimepieces.com/ctsitecms/wp-content/uploads/Seiko-Chronograph-Bullhead-SpeedTimer-ref.-6138-0040-3.jpg)
Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces
![Seiko SpeedTimer Bullhead vintage chronograph automatic watch Cal 6138 JAPAN J 6138-0040 Seiko Vintage watches - Watches83 Seiko SpeedTimer Bullhead vintage chronograph automatic watch Cal 6138 JAPAN J 6138-0040 Seiko Vintage watches - Watches83](https://watches83.com/14833-large_default/seiko-speedtimer-bullhead-vintage-chronograph-automatic-watch-cal-6138-japan-j-6138-0040.jpg)
Seiko SpeedTimer Bullhead vintage chronograph automatic watch Cal 6138 JAPAN J 6138-0040 Seiko Vintage watches - Watches83
![Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces](https://chronotimepieces.com/ctsitecms/wp-content/uploads/Seiko-Chronograph-Bullhead-SpeedTimer-ref.-6138-0040-0.jpg)
Vintage Seiko Chronograph Bullhead SpeedTimer JDM ref. 6138-0040 – 1977, Serviced, OEM Bracelet - ChronoTimepieces
![Very good condition Seiko Speed-Timer Bullhead with caliber 6138 in stainless steel - Fully Serviced | Laurent Fine Watches Very good condition Seiko Speed-Timer Bullhead with caliber 6138 in stainless steel - Fully Serviced | Laurent Fine Watches](https://laurentfinewatches.com/watch-expo/expo-vintage/Seiko-SpeedTimer-Vu-05-28-2018/images/09seikospeedtimerbullhead.jpg)
Very good condition Seiko Speed-Timer Bullhead with caliber 6138 in stainless steel - Fully Serviced | Laurent Fine Watches
![SEIKO SPEEDTIMER BULLHEAD 1976 Ref. 6138-0040 Vintage automatic chronograph watch Cal 6138 B JAPAN J *** PRECIOUS *** Seiko Vintage watches - Watches83 SEIKO SPEEDTIMER BULLHEAD 1976 Ref. 6138-0040 Vintage automatic chronograph watch Cal 6138 B JAPAN J *** PRECIOUS *** Seiko Vintage watches - Watches83](https://watches83.com/58985-thickbox_default/seiko-speedtimer-bullhead-1976-ref-6138-0040-vintage-automatic-chronograph-watch-cal-6138-b-japan-j-precious-.jpg)
SEIKO SPEEDTIMER BULLHEAD 1976 Ref. 6138-0040 Vintage automatic chronograph watch Cal 6138 B JAPAN J *** PRECIOUS *** Seiko Vintage watches - Watches83
![Seiko Bullhead speedtimer 5 sport chronograph automatic , 1975... for $997 for sale from a Seller on Chrono24 Seiko Bullhead speedtimer 5 sport chronograph automatic , 1975... for $997 for sale from a Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/32132120-mijg7m9auavgqg7xldpwjdfn-ExtraLarge.jpg)